Upper Parts

6.5 Grendel | 18" Intermediate | Barrel w/ BCG All DI barrels include stainless steel tunable gas block. Features Profile: DMR Heavy Profile (.850 behind gas block, .745 in front) Length: 18” Gas Placement: Intermediate Rifling: Button 8...

The Black River Tactical MarkBlue Gas Tube is a premium quality gas tube used exclusively with the BRT EXC length gas system. The BRT EXC gas system was created to provide OPTIMUM performance from 12.5" 5.56 barrels and is excellent for dedicated...

The TRIARC Systems TRACK 2.0 Rifle Barrel Kit features a 13.9" TRACK 2.0 Barrel that is optimized for the TRIARC Systems Mil-spec buffer tube, H1 Buffer and Sprinco Blue Buffer Spring. Also included is a Mil-Spec End Plate and Castle Nut. Together, these...

TRIARC Systems TRACK™ 2.0 - 6.5 Grendel 12.5" Barrel Overview: Introducing the advanced TRACK™ 2.0 barrel by TRIARC Systems. The unique Single Edge Polygonal (SEP) rifling, exclusive to TRIARC, offers shooters the best of both standard and...

TRIARC Systems TRACK™ 2.0 - 6.5 Grendel 16" Barrel Overview: Introducing the advanced TRACK™ 2.0 barrel by TRIARC Systems. The unique Single Edge Polygonal (SEP) rifling, exclusive to TRIARC, offers shooters the best of both standard and...

Sig Sauer - MCX Deflector Assembly Forward Assist - Black Factory replacement deflector assembly and forward assist in Black for the SIG MCX Installation of these parts kits require disassembly of your firearm beyond a “field-stripped”...

HUXWRX 9MM 3-Lug Mount - 1/2x28 Compatible with all 3-lug mounting systems, our 3-lug mount is easy to install, and utilizes helical grooves to almost completely prevent carbon lock.

Noveske Gen 4 precision machined billet receiver from 7075-T6 aluminum Direct blow-back operation only Hardcoat type III anodized Featuring anti-rotation interface with handguard Picatinny mil-standard 1913 top rail with Noveske Cross This...

MCX-SPEAR LT 16" AR CONVERSION KIT 5.56 NATO-BLACK This complete kit will convert any MIL-SPEC AR-15/M4 Lower into the top-performing MCX-SPEAR LT. Included items: Complete 16" 5.56 NATO upper assembly includes our removable 3-prong flash-hider...

These barrels are done in small batches and go through an extended QC process to ensure proper gassing and function. Introducing TRACK™ 2.0 barrels, exclusively from TRIARC Systems.  TRACK™ is a proprietary rifling known as Single Edge...

Daniel Defense 12.5" Government Profile 5.56 NATO Barrel - Carbine-Length Gaswith Low Profile Gas Block When your AR-15 build demands elite performance in a compact form, the Daniel Defense 12.5" Cold Hammer Forged Barrel delivers with unmatched...

12.5" 5.56MM, CARBINE, 1:7, GOV FSP   SPECIFICATIONS Caliber 5.56mm NATO Barrel Length 12.5" Manuf. Process Cold Hammer Forged Twist Rate 1:7 Muzzle Thread 1 ⁄ 2 × 28 TPI (Threads Per Inch) Material Chrome Moly...